Cognizant System Engineer interview questions

The hiring process began with an online aptitude and verbal round. The next round was programming basics and then the interview. I had a 45 minute 1 one 1 interview online . General questions and certain Cloud related questions were asked .

They asked me about my Area of Interest and the projects that I did. Area of Interest: OOPS concept and DBMS *Explain about polymorphism, Inheritance and garbage collection. * 3 Queries: -Using join -Delete duplicate elements from table -Select Distinct elements *Rest were on my project and paper presentations.